Map rack



T. H. COSTELLO MAP RACK Filed Oct. 5, 1924' 2 SheetS Sheet 1 Patented May 3, 1927.

UNIT so; STATES PATENT, oerce.

THOMAS II. COSTELLO, OF CHICAGO, ILLI'D TOLW; ROSE M. COSTELLOAND WILLIAM E. COSTELLO, EXECU'IORS OF SAID..'11-IOI\6.'IL&S I-I. COSTELLO, DECEASED, ASSIGNORS'TO ROSE. M. COSTELLO, TRUSTEE.

MAP RACK.

Application filed October 3, 1924. Serial No. 741,399.'

My 'inventionrelates to frames or cases for holding maps, charts and the like for display and reference or when not m use. Among theolnects thereof arethc provision of a lmock-dcnvn frameor case of novel con- 'Myinvention further provides a novel device by which spring rollers on which the maps are mounted are securcdin' the frame against displacement, and from which the operative spring shafts may be readily detached while-leaving the spring under ten sion. My invention is simple in construction and'the -amount of labor and expense required toprepare and assemble the several parts is reduced to a minimum. The'principles of my invention are illustrated in the drawings in which Fig. 1 is afrontelevation; Fig 2 is a cross-section of Fig. l on the li'ne 2-2 thereof; Fig. 3 is'a vertical section on line 3-3 of'Fig. 1; and Fig. 4: isapartial section of Fig. l on the line' t4:.

Further describing my invention with reference to the drawings in which like characters of reference denote like parts throughout: Numerals 1 and Qarerespectively the heading and base piece of a map holding frame; 3 and 8 are the connecting ends thereof. One of said connecting end pieces, designated by numeral 3, preferably consists of a unitary piece of wood having the normal face 4 in which is cut from end to .end the rebate 5 and the longitudinal groove 6. It also has in the said face the spaced holes 7 which are adapted to receive the round, relatively stationary which are attached to one end of spring shade or map rollers. The other of said connected end pieces, designated by numeral 8, is preferably formed of a single piece of material having the normal face 9 and has at the front inward corner a rebate 10 and further back on the inner face, in stepped. relation with rebate 10, is a second and shallow rebate 11. A groove 12 extends from end to end of said connecting end pieces 8 in the face of the said last named rebate.

A metal strip 15 to hold the flattened ends of the relatively revoluble spring actuated stub-shafts shafts at the outercndof saidrollers is attached by Screws 16 to 'the' normal face 9 of end piece 8. T he front edge of the said metal strip projects over rebate 11.

p it will be seen that the end pieces are adapted to the objects described and that' they arealso adapted to be formed as moul.dings in a moulding machineor sticker soas to be carried in stock and put togetheras desired. f i In the metal. strip are formed a plurality of recesses or pockets, each consisting 'of'the narrow slots 18 and lSl-angularlyconnected with each other and having a lug 20 forming narrowed throat "21 througl-i which the flattened ends of the sprang-controlled shafts may pass and be seated against rotation in the narrowed slot 19-.

' Positioning pieces 25 project from thebotloin andtop of the end pieces 3 and 8, and are received in corresponding holes 26in the" heading and base pieces 1 and 2. Numeral 27 indicates a plurality of rods 01' bolts at each end of the frame, the body portionsof which are adapted to be seated lateral-1y within the bottoms of gl'ooves-(i-and 12 and to pass through. correspondingholes in the base andheadingv pieces of the case. Said rods ha'x-eheads 28 and are screw-threaded at 29 toftake the nuts 30. Owing-to the breadth and thickness and unitary character of the end pieces 8 and 8, the end and horizontal pieces of the frame, when drawn together, form substantial bracing means for the fran'ie-work as a whole. Hangers 31 formed from strips of narrow metal have quarter turns at and are provided with suspension holes 33 at the free end. Openings are provided in the other ends for pivot pins or screws 34; by which the hangers are attached to the outer faces of the end pieces so that, when turned upwardly and backwardly, one edge will contact with the under side of the projecting ends of the head pieces and be held in'said relation to receive angle hooks or similar suspendingdevices in the suspension holes 8-3. As the hangers are in rigid relation to the case or frame and the lower edges of the bottom piece are in contact with the wall on which the frame is hung, the frame will be given an inclination which is convenient for the operation of the maps as drawn out by the hen it is desired to introduce maps in the frame, the round and relatively stationary stub-shafts will be received in the openings 7 in end'piece 3 which form bearings therefor. The flattened spring actuated ends are transversely introduced into the body portion 18 of slot 17 and given an approximately quarter revolution by which they are passed through the i'iarroiv neck 21 and seated in the pocket 19 wherein they are held by retaining lugs 20. 'By reverse movement, the flattened roller ends are turned tree so as to pass lug 20 and are readily removed from the slots 11'' and the rollers removed from the frame. The maps, as shown in the drawings, have iuap sticks 38' extending along the tree edges and the outer ends should project at 8S and 4:0 to engage the bottom faces oi? the rebates 5 and it) respectively which thus form stops against the maps being spun on the rollers n'hen'rolled up under tensionot the springs.

It will be evident that th apparatus may be used as described and also equally evident that a back and suitable door may be attached if desired.

I claim:

1. In a map rack; a heading; piece, a base piece, connecting end pieces having inwardly facing grooves throughout their length, positioning pieces attached to the. end pieces and engageable with the heading and base pieces and bolts or rods to connect the top and base pieces adapted to be seated laterally Within and be concealed by said inwardly facing grooves. v

2. In a map rack; the combination of a heading piece, a base piece, connecting and pieces, said end pieces each being integrally formed and having inwardly facing grooves throughout their length, positioningpieces secured to the normal face of said end piece and projecting over the second rebate.

(i. In a map rack having headingand base pieces, a connecting; end piece having a front rebate and a normal 'lace provided with spaced stub shalt holes, a second connecting end piece having a front rebate and a sec,- ond rebate stepped therefrom, and a metal strip provided with spaced pockets for spring; provided shafts secured. to the .norand face of said end piece and projecting over said second rebate. v

5; In a map rack adaptedto receive spring actuated rollers having flat ended stub shafts; a metal strip adapted to be mounted in said rack and provided with a plurality of slots or pockets, each slot comprising a substantially horizontally extended lateral portion and a connecting downwardly and forwardly extended retaining portion, said retaining portions'being narrowed to receive the flattened end of a stub shaft and hold it against revolution, and being" further provided with a retaining lug to hold the stub shaft against displacen'ient.-

In Witness whereof, I have hereunto set my hand'at Chicag'm Iliinois, this 1st of October, 1924.

THOMAS H. COSTELLO.

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